# -*- coding: utf-8 -*-

#
# fusion.http.Static
#
# Copyright 2008 Helsinki Institute for Information Technology
# and the authors.
#
# Authors: Harri Hämäläinen <hhamalai@iki.fi>
#

# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import os, sys
from fusion.http.FusionApp import FusionApp, Response

class Static(FusionApp):
    '''
    Serve static files from fusion/http/static/
    '''
    def do_GET(self):
        static_dir = sys.path[0] + '/fusion/http/static/'
        path = self.environ['PATH_INFO'].replace('/..', '')
        if os.path.isfile(static_dir + path):
            self.start('200 OK', [])
            fd = file(static_dir + path)
            if 'wsgi.file_wrapper' in self.environ:
                return self.environ['wsgi.file_wrapper'](fd)
            else:
                return iter(lambda: fd.read(8192), '')
        else:
            return Response(404)
